Teflon composite rubber gasket structure

Abstract

The utility model relates to the technical field of rubber gaskets, in particular to a polytetrafluoroethylene composite rubber gasket structure which comprises a gasket body, an anti-deformation protection mechanism is arranged in the gasket body and comprises an open groove formed in the top of the gasket body, and a plurality of sets of movable grooves are formed in the bottom wall of the open groove. A special-shaped nail is slidably connected into the movable groove, a limiting block is fixedly connected to the outer side wall of the special-shaped nail, the diameter of the limiting block is larger than that of the movable groove, and a bearing seat is arranged below the special-shaped nail. The gasket body is matched with the anti-deformation protection mechanism, so that when the gasket body is pressed, the special-shaped nail moves downwards to enable the micro spring to deform, part of pressure is counteracted through deformation of the micro spring, and meanwhile movement of the special-shaped nail is maintained within a range through matching of the shape of the special-shaped nail and the limiting block; therefore, the gasket body can maintain the original shape, the deformation amplitude is reduced, and the situations such as breakage are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber gaskets, in particular to a tetrafluoroethylene composite rubber gasket structure. Background Art

[0002] Flanges are a commonly used component structure in mechanical equipment, which can better connect mechanical equipment together. In some mechanical equipment, such as hydraulic equipment and mobile bearing equipment, flanges used in these locations often need to be connected to other structures to ensure the firmness of the connection and the sealing of the connecting shaft. In this case, flange gaskets are needed to connect them. This can make the flange and the assembly structure more tightly assembled and the connection more reliable. The material of the flange gasket is usually tetrafluoroethylene rubber.

[0003] However, existing polytetrafluoroethylene gaskets have the following disadvantages when used: 1. The gasket has a circular ring structure, which is inconvenient to hold during use, and can easily cause the gasket to deviate, thereby reducing the sealing performance of the installation; 2. The gasket is soft in texture and is prone to breakage when squeezed; 3. The gasket is relatively soft in texture and is easily deformed after long-term squeezing.

[0004] Therefore, it is necessary to invent a tetrafluoroethylene composite rubber gasket structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a polyfluoroethylene composite rubber gasket structure, which improves the practicality of the polyfluoroethylene composite rubber gasket by cooperating with the gasket body and the anti-deformation protection mechanism, so as to solve the problem of the prior art that the gasket is soft and easy to deform and break.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyfluoroethylene composite rubber gasket structure, comprising a gasket body, an anti-deformation protection mechanism is arranged inside the gasket body, the anti-deformation protection mechanism comprises an open groove opened at the top of the gasket body, the bottom wall of the open groove is provided with several groups of movable grooves, the interior of the movable groove is slidably connected with a special-shaped nail, the outer side wall of the special-shaped nail is fixedly connected to a limiting block, the diameter of the limiting block is larger than the diameter of the movable groove, the diameter of the top of the special-shaped nail is larger than the diameter of the movable groove, a receiving seat is arranged below the special-shaped nail, the receiving seat is fixedly connected to the bottom wall of the gasket body, and the deformation of the gasket body is limited by the cooperation of the receiving seat, the movable groove and the special-shaped nail.

[0007] Preferably, a receiving groove is provided on the inner side wall of the receiving seat, and a micro spring is fixedly connected to the bottom wall of the receiving groove. The top end of the micro spring contacts the bottom end of the special-shaped nail, and the micro spring is used to increase the buffering capacity of the anti-deformation protection mechanism to cope with impact.

[0008] Preferably, several groups of deformation plates are fixedly connected to the inner wall of the open groove, a snap-in groove is provided on the top of the gasket body, a filling layer is fixedly connected between the anti-deformation protection mechanism and the snap-in groove, and the filling layer is located inside the gasket body, the snap-in groove facilitates flange positioning and the filling layer is used to fill and support the interior of the gasket body.

[0009] Preferably, both sides of the washer body are fixedly connected with extension blocks, and a fixing groove is provided on the top of the extension block. The extension block and the fixing groove are used to conveniently position the washer body to prevent it from deviating.

[0010] Preferably, the bottom wall of the gasket body is fixedly connected with several groups of special-shaped seats, and a support block is provided above the special-shaped seat. The bottom cross-section of the support block is an isosceles trapezoid, and further support is provided by the cooperation between the special-shaped seat and the support block.

[0011] Preferably, the support block is fixedly connected to the top wall of the gasket body, and a deformation groove is provided at the bottom end of the support block. The height of the deformation groove is greater than the distance between the support block and the deformation groove, thereby increasing the space for internal activities and improving the buffering capacity.

[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0013] Through the cooperation between the washer body and the anti-deformation protection mechanism, when the washer body is subjected to pressure, the special-shaped nail moves downward to deform the micro-spring, and the deformation of the micro-spring is used to offset part of the pressure. At the same time, the shape of the special-shaped nail and the limit block are used to cooperate to keep the movement of the special-shaped nail within a range, and the cooperation between the receiving groove and the receiving seat further limits the movement range of the special-shaped nail, so that the washer body can maintain its original shape, reduce the deformation range, and thus avoid breakage.

[0014] By cooperating with the special-shaped seat, the support block and the deformation groove, the extension block and the fixing groove are used to facilitate movement while fixing the washer body to prevent it from deviating, and the cooperation between the special-shaped seat and the support block further provides support for the washer body to enhance its anti-deformation ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 A in the middle is an enlarged structural diagram;

[0019] Figure 4 For this utility model Figure 2 Enlarged structural diagram at point B in the middle.

[0020] Description of reference numerals:

[0021] 1. Washer body; 101. Filling layer; 2. Anti-deformation protection mechanism; 201. Open groove; 202. Movable groove; 203. Special-shaped nail; 204. Limit block; 205. Socket; 206. Micro spring; 207. Socket groove; 3. Snap-fit ​​groove; 4. Deformation sheet; 5. Extension block; 6. Fixed groove; 7. Special-shaped seat; 8. Support block; 9. Deformation groove. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0023] The utility model provides Figure 1-4The structure of a polytetrafluoroethylene composite rubber gasket shown in the figure includes a gasket body 1, an anti-deformation protection mechanism 2 is provided inside the gasket body 1, and the anti-deformation protection mechanism 2 includes an open groove 201 opened on the top of the gasket body 1, a plurality of groups of movable grooves 202 are opened on the bottom wall of the open groove 201, and a special-shaped nail 203 is slidably connected to the inside of the movable groove 202, and the outer wall of the special-shaped nail 203 is fixedly connected to the limit block 204, the diameter of the limit block 204 is larger than the diameter of the movable groove 202, and the top of the special-shaped nail 203 is fixed to the limit block 204. The diameter of the upper portion is larger than the diameter of the movable groove 202. A receiving seat 205 is provided below the special-shaped nail 203. The receiving seat 205 is fixedly connected to the bottom wall of the washer body 1. The deformation of the washer body 1 is limited by the cooperation of the receiving seat 205, the movable groove 202 and the special-shaped nail 203. The inner side wall of the receiving seat 205 is provided with a receiving groove 207. The bottom wall of the receiving groove 207 is fixedly connected to a micro spring 206. The top of the micro spring 206 contacts the bottom end of the special-shaped nail 203. The micro spring 206 is used to 06 Increase the buffering capacity of the anti-deformation protection mechanism 2 to cope with impact. Several groups of deformation plates 4 are fixedly connected to the inner wall of the open groove 201. A snap-fit ​​groove 3 is opened on the top of the gasket body 1. A filling layer 101 is fixedly connected between the anti-deformation protection mechanism 2 and the snap-fit ​​groove 3, and the filling layer 101 is located inside the gasket body 1. The snap-fit ​​groove 3 facilitates flange positioning and the filling layer 101 fills and supports the inside of the gasket body 1. Through the cooperation between the gasket body 1 and the anti-deformation protection mechanism 2, when the gasket body 1 is subjected to pressure, the special-shaped nail 203 moves downward to deform the micro-spring 206, and the deformation of the micro-spring 206 is used to offset part of the pressure. At the same time, the shape of the special-shaped nail 203 is used to cooperate with the limit block 204 to keep the movement of the special-shaped nail 203 within a range, and the cooperation between the receiving groove 207 and the receiving seat 205 further limits the movement range of the special-shaped nail 203, so that the gasket body 1 can maintain its original shape, reduce the deformation amplitude, and thus avoid breakage and the like.

[0024] Refer to the instruction manual Figure 1-4The top of the washer body 1 is provided with a fixing groove 6, and the extension block 5 and the fixing groove 6 are used to facilitate the positioning of the washer body 1 to prevent it from deviating. The bottom wall of the washer body 1 is fixedly connected with several groups of special-shaped seats 7. A supporting block 8 is provided above the special-shaped seat 7. The bottom cross-section of the supporting block 8 is an isosceles trapezoid, and the cooperation between the special-shaped seat 7 and the supporting block 8 further provides support. The supporting block 8 is fixedly connected to the top wall of the washer body 1, and a deformation groove 9 is provided at the bottom end of the supporting block 8. The height of the deformation groove 9 is greater than the distance between the supporting block 8 and the deformation groove 9, which increases the space for internal activities to improve the buffering capacity. Through the cooperation of the special-shaped seat 7, the support block 8 and the deformation groove 9, the cooperation of the extension block 5 and the fixing groove 6 is used to facilitate movement while fixing it to prevent the washer body 1 from deviating, and the cooperation between the special-shaped seat 7 and the support block 8 is used to further provide support for the washer body 1 to enhance its anti-deformation ability.

[0025] This utility works as follows:

[0026] Refer to the instruction manual Figure 1-4 After the gasket body 1 is installed on the flange through the auxiliary positioning of the clamping groove 3, the gasket body 1 cooperates with the anti-deformation protection mechanism 2, so that when the gasket body 1 is subjected to pressure, the special-shaped nail 203 moves downward to deform the micro spring 206, and the deformation of the micro spring 206 is used to offset part of the pressure. At the same time, the shape of the special-shaped nail 203 is used to cooperate with the limit block 204 to keep the movement of the special-shaped nail 203 within a range, and the cooperation between the receiving groove 207 and the receiving seat 205 is used to further limit the movement range of the special-shaped nail 203, so that the gasket body 1 can maintain its original shape and reduce the deformation amplitude. The cooperation between the special-shaped seat 7, the support block 8 and the deformation groove 9, and the cooperation between the extension block 5 and the fixing groove 6 facilitate movement while fixing it to prevent the gasket body 1 from deviating, and the cooperation between the special-shaped seat 7 and the support block 8 further provides support for the gasket body 1 to enhance its anti-deformation ability, thereby avoiding breakage and the like.

[0027] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A polytetrafluoroethylene composite rubber gasket structure, comprising a gasket body (1), characterized in that: An anti-deformation protection mechanism (2) is provided inside the washer body (1), and the anti-deformation protection mechanism (2) includes an open groove (201) opened on the top of the washer body (1), and a plurality of groups of movable grooves (202) are opened on the bottom wall of the open groove (201), and a special-shaped nail (203) is slidably connected inside the movable groove (202), and the outer wall of the special-shaped nail (203) is fixedly connected to a limiting block (204), the diameter of the limiting block (204) is larger than the diameter of the movable groove (202), and the diameter of the top of the special-shaped nail (203) is larger than the diameter of the movable groove (202), and a receiving seat (205) is provided below the special-shaped nail (203), and the receiving seat (205) is fixedly connected to the bottom wall of the washer body (1).

2. The polytetrafluoroethylene composite rubber gasket structure according to claim 1, characterized in that: The inner side wall of the receiving seat (205) is provided with a receiving groove (207), the bottom wall of the receiving groove (207) is fixedly connected with a micro spring (206), and the top end of the micro spring (206) is in contact with the bottom end of the special-shaped nail (203).

3. The polytetrafluoroethylene composite rubber gasket structure according to claim 1, characterized in that: Several groups of deformation sheets (4) are fixedly connected to the inner side wall of the open groove (201), a clamping groove (3) is provided on the top of the gasket body (1), a filling layer (101) is fixedly connected between the anti-deformation protection mechanism (2) and the clamping groove (3), and the filling layer (101) is located inside the gasket body (1).

4. The polytetrafluoroethylene composite rubber gasket structure according to claim 1, characterized in that: Extension blocks (5) are fixedly connected to both sides of the gasket body (1), and a fixing groove (6) is provided on the top of the extension block (5).

5. The polytetrafluoroethylene composite rubber gasket structure according to claim 1, characterized in that: The bottom wall of the gasket body (1) is fixedly connected to a plurality of groups of special-shaped seats (7), and a support block (8) is provided above the special-shaped seat (7). The bottom cross-section of the support block (8) is an isosceles trapezoid.

6. The polytetrafluoroethylene composite rubber gasket structure according to claim 5, characterized in that: The support block (8) is fixedly connected to the top wall of the gasket body (1); a deformation groove (9) is provided at the bottom end of the support block (8); and the height of the deformation groove (9) is greater than the distance between the support block (8) and the deformation groove (9).

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